Natural Instinct Cat Pure Duck 2 x 500g packs £3.55 Out of stock. Suitable as an alternative food for dogs or cats that have an allergy to chicken this product can be used as a treat meal every now and then or as a base to which you can add your own ingredients for a balanced meal. IngredientsBritish duck with bone (100%). AnalysisMoisture 64.5%, Protein 16.3%, Fat 13.8%, Fibre 0.5%, Calcium 1.3%, Phosphorus 0.8%, Sodium 0.1%, Inorganic Matter 4.5%. Product Information A frozen complementary raw food for dogs and cats. Ideal for creating your own recipes at home.